CN210677353U - Annular laser welding head - Google Patents
Annular laser welding head Download PDFInfo
- Publication number
- CN210677353U CN210677353U CN201921545274.3U CN201921545274U CN210677353U CN 210677353 U CN210677353 U CN 210677353U CN 201921545274 U CN201921545274 U CN 201921545274U CN 210677353 U CN210677353 U CN 210677353U
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- China
- Prior art keywords
- laser
- casing
- converter
- annular laser
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 title claims abstract description 22
- 239000005336 safety glass Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000003827 upregulation Effects 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an annular laser welder head, it includes the casing, sets up the leading-in device who is used for leading-in beam-shaped laser on the casing, will laser conversion becomes annular laser's converter and sets up regulation on the casing the adjusting device of the diameter of annular laser, the converter include with the casing rotates the rotation support that sets up, sets up wedge mirror and setting in the rotation support are in drive on the casing rotation support pivoted rotating device, because the utility model discloses a rotation support sets up the wedge mirror to rotate the support through the rotating device drive and drive the wedge mirror and rotate, make and present ring shape and jet out downwards through wedge laser to laser welding's laser diameter has been enlarged.
Description
Technical Field
The utility model relates to an annular laser welder head.
Background
In the field of laser welding, in order to increase the temperature of a laser beam irradiation portion, the laser beam is generally concentrated in a very small range, resulting in a small diameter of the laser beam, generally around 0.2 MM. Since the diameter of the laser needs to cover the weld, the precision requirement for the weld is usually high, and if the gap between two workpieces exceeds 0.2MM, laser welding cannot be used.
Therefore, a laser welding apparatus suitable for welding a large-gap workpiece is required.
Disclosure of Invention
The utility model aims at providing a be fit for great gap's work piece welded annular laser welder head.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an annular laser welder head, its includes the casing, sets up the leading-in device who is used for leading-in bunch form laser on the casing, will laser conversion becomes annular laser's converter and sets up regulation on the casing the adjusting device of annular laser's diameter, the converter include with the casing rotates the rotation support that sets up, sets up rotate wedge mirror in the support and set up and be in drive on the casing rotate support pivoted rotating device.
Preferably, the rotating bracket is rotatably connected with the shell through a bearing, an outer gear ring is arranged on the outer side of the rotating bracket, the rotating device comprises a motor and a gear driven by the motor in a rotating mode, and the gear is meshed with the outer gear ring.
Further preferably, the motor is provided at a side wall of the housing.
Preferably, a laser collimating device is further disposed between the introducing device and the converter.
Preferably, the device further comprises a collimating device disposed between the converter and the introducing device.
Further preferably, the device further comprises protective glasses arranged below the converter.
Further preferably, the casing includes the setting the last casing of collimating device, sets up the middle casing of converter and setting the lower casing of goggles, go up the casing with middle casing can dismantle the connection, middle casing with lower casing can dismantle the connection.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
because the utility model discloses a rotating bracket sets up the wedge mirror to rotate the support through the rotating device drive and drive the wedge mirror and rotate, make to present the ring shape through wedge laser and jet out downwards, thereby enlarged laser welding's laser diameter.
Drawings
FIG. 1 is a perspective view of an embodiment;
FIG. 2 is a schematic front view of the embodiment;
FIG. 3 is a schematic cross-sectional view of an embodiment;
FIG. 4 is a perspective view of the rotating bracket;
FIG. 5 is a schematic cross-sectional view of a rotating bracket.
In the above drawings: 1. a housing; 11. 12, an upper shell, a middle shell; 13. a lower housing; 2. a lead-in device; 3. a converter; 31. rotating the bracket; 32. a rotating device; 33. a bearing; 34. an outer ring gear; 351. a first wedge mirror; 352. a second wedge mirror; 36. a guide device; 371. a first fixed seat; 371a, adjusting teeth; 372. a second fixed seat; 372a, an arc-shaped hole; 4. an adjustment device; 5. a laser collimating device; 6. protective glasses; 7. a CCD camera; 8. a semi-reflecting and semi-transmitting mirror.
Detailed Description
The invention will be further described with reference to the embodiments shown in the drawings to which:
referring to fig. 1 to 5, an annular laser welding apparatus includes a housing 1, an introduction device 2 disposed on the housing 1 for introducing a laser beam in a beam shape, a converter 3 for converting the laser beam into an annular laser beam, and an adjustment device 4 disposed on the housing 1 for adjusting a diameter of the annular laser beam, wherein the converter 3 includes a rotating bracket 31 rotatably disposed with the housing 1, a wedge mirror disposed in the rotating bracket 31, and a rotating device 32 disposed on the housing 1 for driving the rotating bracket 31 to rotate. In this embodiment, the welding device has an axis, and the central axis of the lead-in device 2 and the central axis of the output of the converter 3 are coincident with the axis of the device.
The laser beam passes through the wedge-shaped mirror, the angle of the laser beam is changed, the laser beam deviates from the axis, the laser beam is emitted in a direction parallel to the axial direction after the angle of the laser beam is adjusted, and when the wedge-shaped mirror rotates along with the rotating support 31, the track of the emitted laser beam is in a circular ring shape with the axis as the axis. The diameter of the circular ring far exceeds that of the original laser beam, so that the welding range of the laser is expanded, a larger gap can be welded by the laser, and the requirement of the laser welding on the butt joint precision of the gap is reduced.
In this embodiment, the rotating bracket 31 is rotatably connected to the housing 1 through a bearing 33, an outer gear ring 34 is disposed outside the rotating bracket 31, the rotating device 32 includes a motor and a gear driven by the motor, the gear is engaged with the outer gear ring 34, and the motor is disposed on a side wall of the housing 1, so that the rotating bracket 31 is driven by the motor to rotate.
A laser collimation device 5 is also arranged between the introduction device 2 and the converter 3. Thereby ensuring that the laser can be emitted along the axial direction to ensure the roundness of the annular laser.
In addition, a CCD camera 7 is provided on the side of the lower case 13, and the CCD camera 7 is used to detect an image of the welding portion, and specifically, the CCD camera 7 inputs the detected image to a computer, and the computer outputs the image to a display device (not shown) after processing by the laser welding monitoring software V1.0. The welded condition can be observed in real time through the CCD camera 7, so that the welding can be adjusted conveniently.
An annular laser channel for emitting annular laser is arranged in the lower shell 13, a semi-reflecting and semi-transmitting mirror 8 for reflecting incident light through emitted light is arranged in the annular laser channel, and the semi-reflecting and semi-transmitting mirror 8 reflects the light emitted into the annular laser channel to the CCD camera 7. Half reflects half mirror 8 is prior art, and its tow sides have all plated the one deck and have penetrated half anti-membrane, and the upper strata sees through, and lower floor's reflection can make optic fibre pass from the top down to the light that passes through from the bottom up is reflected, and in this embodiment, half reflects half mirror 8 can make annular laser beam pass from half reflecting half mirror 8, welds the work piece, and the light that the work piece reflection simultaneously gets into CCD camera 7 after half reflects half mirror 8's reflection.
Specifically, the half-reflecting and half-transmitting mirror 8 is obliquely arranged in the annular laser channel, and the included angle between the half-reflecting and half-transmitting mirror 8 and the axis of the annular laser channel is 40-50 degrees. After passing through the through hole in the side wall of the lower housing 13, the light reflected by the half-reflecting and half-transmitting mirror 8 enters the CCD camera 7 after being reflected by the reflecting mirror arranged at the outer side of the lower housing 13.
The converter 3 in this embodiment further includes a first wedge mirror 351 disposed on the rotating bracket, one surface of which is perpendicular to the axis, a second wedge mirror 352 disposed on the rotating bracket, one surface of which is perpendicular to the axis, and a guiding device 36 and an adjusting assembly, wherein the guiding device 36 is a convex lens in this embodiment, the adjusting assembly includes a first fixing seat 371 for fixing the first wedge mirror 351, a second fixing seat 372 for fixing the first wedge mirror 351, and a locking member (not shown) for locking or unlocking the first fixing seat 371 and the first fixing seat 371 with each other, and the first fixing seat 371 is rotatably disposed on the second fixing seat 372 along the axis.
Wherein, first fixing base 371 with second fixing base 372 is cylindric, just first fixing base 371 with the axial lead of second fixing base 372 with the axial coincides each other, second fixing base 372 overlaps establishes the outside of first fixing base 371. The second fixed seat 372 is provided with a fixed ring and a retainer ring for fixing the second wedge-shaped mirror 352.
The second fixing seat 372 is provided with arc-shaped holes 372a distributed along the circumferential direction. The portion of the periphery of the first fixed seat 371, which is exposed out of the arc-shaped hole, is provided with an adjusting tooth 371 a. The second fixing seat 372 has a fixing portion for fixing the guiding device 36. The first fixing seat 371 can be rotated by shifting the adjusting tooth 371a, so that the angle between the first wedge-shaped mirror 351 and the second wedge-shaped mirror 352 is changed, the deflection direction of the laser passing through the first wedge-shaped mirror 351 and the second wedge-shaped mirror 352 is adjusted, and the diameter of an annular light spot generated when the rotating support 31 rotates is changed accordingly.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. An annular laser welding head, its characterized in that: the laser diameter adjusting device comprises a shell, an introducing device, a converter and an adjusting device, wherein the introducing device is arranged on the shell and used for introducing beam-shaped laser, the converter is used for converting the laser into annular laser, the adjusting device is arranged on the shell and used for adjusting the diameter of the annular laser, and the converter comprises a rotating support, a wedge-shaped mirror and a rotating device, the rotating support is rotatably arranged on the shell, the wedge-shaped mirror is arranged in the rotating support, and the rotating device is arranged on the shell and used for driving the rotating support to rotate.
2. The annular laser welding head of claim 1 wherein: the rotating support is connected with the shell in a rotating mode through a bearing, an outer gear ring is arranged on the outer side of the rotating support, the rotating device comprises a motor and a gear driven by the motor in a rotating mode, and the gear is meshed with the outer gear ring.
3. The annular laser welding head of claim 2 wherein: the motor is arranged on the side wall of the shell.
4. The annular laser welding head of claim 1 wherein: and a laser collimation device is also arranged between the leading-in device and the converter.
5. The annular laser welding head of claim 1 wherein: and the collimating device is arranged between the converter and the lead-in device.
6. The annular laser welding head of claim 5 wherein: and the safety glasses are arranged below the converter.
7. The annular laser welding head of claim 6 wherein: the casing is including setting up collimating device's last casing, setting the middle casing of converter and setting the lower casing of goggles, go up the casing with the connection can be dismantled to middle casing, middle casing with the connection can be dismantled to the casing down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545274.3U CN210677353U (en) | 2019-09-17 | 2019-09-17 | Annular laser welding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545274.3U CN210677353U (en) | 2019-09-17 | 2019-09-17 | Annular laser welding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210677353U true CN210677353U (en) | 2020-06-05 |
Family
ID=70901014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921545274.3U Expired - Fee Related CN210677353U (en) | 2019-09-17 | 2019-09-17 | Annular laser welding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210677353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114366292A (en) * | 2022-02-24 | 2022-04-19 | 桂林市啄木鸟医疗器械有限公司 | Laser therapeutic equipment |
-
2019
- 2019-09-17 CN CN201921545274.3U patent/CN210677353U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114366292A (en) * | 2022-02-24 | 2022-04-19 | 桂林市啄木鸟医疗器械有限公司 | Laser therapeutic equipment |
| CN114366292B (en) * | 2022-02-24 | 2023-11-21 | 桂林市啄木鸟医疗器械有限公司 | Laser therapeutic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 |